R-TECH Miniature PCB Relay - 12VDC 10A - 616311

The R-TECH 616311 is a 10A, micro miniature, PCB mounting, non-latching power relay. Featuring a 1...

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Rapid Online - Rapid Electronics Ltd.R-TECH 616312 RT32FN Miniature PCB Relay, Non-Latch, SPST-NO, 1For...
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Product Information

Full details

The R-TECH 616311 is a reliable, micro miniature power relay engineered for professionals and hobbyists who need compact, PCB-mountable switching solutions for low-to-medium power electrical circuits. It offers a robust 10A switching capacity in a small form factor, making it ideal for automation, measurement systems, and industrial control, though users should be mindful that it is a non-latching, SPST-NO (Single Pole Single Throw - Normally Open) device intended for specific signal control requirements.

All features

SeriesRT32FN
Model Part Number616311
BrandR-TECH

Extended Product Information

FAQs

What is the contact configuration of this relay?

This relay features an SPST-NO (Single Pole Single Throw - Normally Open) contact configuration.

Can I use this relay for AC loads?

While primarily used for DC signal switching, refer to the datasheet for specific AC load ratings to ensure compatibility.

Is this a latching relay?

No, this is a non-latching relay; it returns to its normally open position when the coil power is removed.

Does this relay require a flyback diode?

It is highly recommended to place a flyback diode across the coil terminals when driving this relay with a transistor or microcontroller to protect your circuitry from inductive voltage spikes.

Are there other variants in this series?

Yes, the RT32FN series includes other models such as the 5VDC version (MPN: 616310).

Troubleshooting

Relay does not trigger when 12V is applied

Check coil voltage polarity and ensure the power source provides a steady 12V DC current.

Relay contact sticking or not closing

Verify that the load current does not exceed the 10A rating and that the circuit is not experiencing excessive inductive back-EMF.

Pros and Cons

Pros

  • High current capacity of 10A in a miniature package
  • Reliable performance for automation and measurement systems
  • Space-saving design ideal for dense PCB layouts
  • Standardized 12V DC operation

Cons

  • SPST-NO only (limited to one logic state)
  • Non-latching function may not suit all latching applications
  • PCB mount requirement limits breadboard prototyping versatility

Setup, Compatibility & Care

When installing the 616311 relay, ensure your PCB layout accommodates the pin pitch specified in the technical datasheet to prevent mechanical stress on the component legs. For soldering, use standard lead-free or tin-lead solder with a temperature-controlled iron to avoid damaging the internal coil assembly. To maintain longevity, avoid exceeding the maximum 10A current rating or the rated coil voltage. The device should be protected from harsh environments involving excessive moisture or extreme temperatures that could compromise the integrity of the plastic casing.

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